From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3CE29CA9EBB for ; Thu, 24 Oct 2019 22:13:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 13B9A21929 for ; Thu, 24 Oct 2019 22:13:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="C6ZiTHOv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730264AbfJXWNM (ORCPT ); Thu, 24 Oct 2019 18:13:12 -0400 Received: from mail-il1-f196.google.com ([209.85.166.196]:36298 "EHLO mail-il1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730258AbfJXWNM (ORCPT ); Thu, 24 Oct 2019 18:13:12 -0400 Received: by mail-il1-f196.google.com with SMTP id s75so86589ilc.3 for ; Thu, 24 Oct 2019 15:13:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=XCM3g32MITF4GHb+oh5v+TIhOkEpHsOH3vQSr3W0WRk=; b=C6ZiTHOvDC0V4jkrQAsPAEdtBcsu9ZwKqUbLE9FCZVGI5tXXBj0DUt1NGWBLfZhs+8 u77WWAAaVC9PiH+n4VHAE32ahK7jEIuE5eKOkwS5f01OqEq2hUDrl3zoZSepsv753CWH n7ziRz0EYc4k48KacOoTAB0FLqKLIxEIbrCRw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=XCM3g32MITF4GHb+oh5v+TIhOkEpHsOH3vQSr3W0WRk=; b=X4hh29H95g3BWtnnr8Q4n+RSWVwamf+WfVMfLCMZiw1SyOBhgGd5lPHQ5tzBkQqxZI bXjbZGJ9hfZyXaYAdm0J1GZSVpugahKAuvN2ypMGBDOGYKmSnuB17QmMbq8EmxqM40jl 2dCTmUNSagYBS7zA7gxt+J6v2eCHiGOASU1kgR2G44+PFCMFz18aNoK+Vj9j5C2l1SK6 L8KelGqK10ekN37vty/RtPc7RKBovtu0P89I84lqyvFhwFxa7ivoROQdwIjyL6gJDc/u Xp/EqUnSUuVuidrVvuanCXnQP2VDnE/qwQcz2meI5MS7juWgvU48r90huIDlCRr/W7Cw BF4Q== X-Gm-Message-State: APjAAAXOLz0bJEnMrdT6/4aGT57i3muBeYiF2fD4mcTxscjx7igqqul5 Nm2ydQ2eBCzRQ3YRDhfpNIKJrA== X-Google-Smtp-Source: APXvYqwoPQsWD5fMM+EAzlbBxmUZ72ucCAHQA5P8+gzn+gqW6IqIsE0Vqu15D1uB6FM4EWDjSYHGxw== X-Received: by 2002:a92:9c94:: with SMTP id x20mr318365ill.149.1571955189638; Thu, 24 Oct 2019 15:13:09 -0700 (PDT) Received: from ncrews2.bld.corp.google.com ([2620:15c:183:200:cb43:2cd4:65f5:5c84]) by smtp.gmail.com with ESMTPSA id k2sm67563ios.19.2019.10.24.15.13.08 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 24 Oct 2019 15:13:09 -0700 (PDT) From: Nick Crews To: enric.balletbo@collabora.com, bleung@chromium.org, linux-leds@vger.kernel.org, jacek.anaszewski@gmail.com, pavel@ucw.cz Cc: linux-kernel@vger.kernel.org, arnd@arndb.de, weiyongjun1@huawei.com, dlaurie@chromium.org, djkurtz@chromium.org, dtor@google.com, sjg@chromium.org, groeck@chromium.com, Nick Crews Subject: [PATCH 2/2] power_supply: platform/chrome: wilco_ec: Add charging config driver Date: Thu, 24 Oct 2019 16:12:34 -0600 Message-Id: <20191024221234.182693-2-ncrews@chromium.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191024221234.182693-1-ncrews@chromium.org> References: <20191024221234.182693-1-ncrews@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-leds-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org Add a device to control the charging algorithm used on Wilco devices, which will be picked up by the drivers/power/supply/wilco-charger.c driver. See Documentation/ABI/testing/sysfs-class-power-wilco for the userspace interface and other info. Signed-off-by: Nick Crews --- drivers/platform/chrome/wilco_ec/core.c | 15 ++++++++++++++- include/linux/platform_data/wilco-ec.h | 2 ++ 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/platform/chrome/wilco_ec/core.c b/drivers/platform/chrome/wilco_ec/core.c index 36c78e52ff3c..5210c357feef 100644 --- a/drivers/platform/chrome/wilco_ec/core.c +++ b/drivers/platform/chrome/wilco_ec/core.c @@ -98,6 +98,16 @@ static int wilco_ec_probe(struct platform_device *pdev) goto unregister_rtc; } + /* Register child device to be found by charger config driver. */ + ec->charger_pdev = platform_device_register_data(dev, "wilco-charger", + PLATFORM_DEVID_AUTO, + NULL, 0); + if (IS_ERR(ec->charger_pdev)) { + dev_err(dev, "Failed to create charger platform device\n"); + ret = PTR_ERR(ec->charger_pdev); + goto remove_sysfs; + } + /* Register child device that will be found by the telemetry driver. */ ec->telem_pdev = platform_device_register_data(dev, "wilco_telem", PLATFORM_DEVID_AUTO, @@ -105,11 +115,13 @@ static int wilco_ec_probe(struct platform_device *pdev) if (IS_ERR(ec->telem_pdev)) { dev_err(dev, "Failed to create telemetry platform device\n"); ret = PTR_ERR(ec->telem_pdev); - goto remove_sysfs; + goto unregister_charge_config; } return 0; +unregister_charge_config: + platform_device_unregister(ec->charger_pdev); remove_sysfs: wilco_ec_remove_sysfs(ec); unregister_rtc: @@ -125,6 +137,7 @@ static int wilco_ec_remove(struct platform_device *pdev) { struct wilco_ec_device *ec = platform_get_drvdata(pdev); + platform_device_unregister(ec->charger_pdev); wilco_ec_remove_sysfs(ec); platform_device_unregister(ec->telem_pdev); platform_device_unregister(ec->rtc_pdev); diff --git a/include/linux/platform_data/wilco-ec.h b/include/linux/platform_data/wilco-ec.h index 0f7df3498a24..afede15a95bf 100644 --- a/include/linux/platform_data/wilco-ec.h +++ b/include/linux/platform_data/wilco-ec.h @@ -29,6 +29,7 @@ * @data_size: Size of the data buffer used for EC communication. * @debugfs_pdev: The child platform_device used by the debugfs sub-driver. * @rtc_pdev: The child platform_device used by the RTC sub-driver. + * @charger_pdev: Child platform_device used by the charger config sub-driver. * @telem_pdev: The child platform_device used by the telemetry sub-driver. */ struct wilco_ec_device { @@ -41,6 +42,7 @@ struct wilco_ec_device { size_t data_size; struct platform_device *debugfs_pdev; struct platform_device *rtc_pdev; + struct platform_device *charger_pdev; struct platform_device *telem_pdev; }; -- 2.21.0